transferFrom, approve, safeTransferFrom function are payable function in the ERC721 Standard

[XdpCs]

Can you explain to me the reasoning behind implementing it in this particular way?

openzeppelin-contracts/contracts/token/ERC721/ERC721.sol

Line 159 in 8cc7f2d

function safeTransferFrom(address from, address to, uint256 tokenId, bytes memory data) public virtual {

ref: https://eips.ethereum.org/EIPS/eip-721

[Amxx]

Hello @XdpCs

Please see these discussion

• Consider supporting payable ERC721's safeTransferFrom, transferFrom, and approve #1015
• ERC721 payable transferFrom #2610

[Amxx]

(closing as duplicate, we can continue the discussion in #1015 if needed)